Update translations

Also add a Polish translation for "Mute sounds in background".
Related issue: #1316

po/colobot.pot

@@ -415,6 +415,9 @@ msgstr ""
 msgid "Pause in background\\Pause the game when the window is unfocused"
 msgstr ""
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Automatic indent\\When program editing"
 msgstr ""
 

po/cs.po

@@ -916,6 +916,9 @@ msgstr "Posunout vybraný program níže"
 msgid "Move selected program up"
 msgstr "Posunout vybraný program výše"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Mute\\No sound"
 msgstr "Ticho\\Bez zvuku"
 
@@ -934,6 +937,9 @@ msgstr "Nový"
 msgid "New ..."
 msgstr "Nový..."
 
+msgid "New Folder"
+msgstr ""
+
 msgid "New bot available"
 msgstr "Robot vyroben"
 
@@ -1090,6 +1096,9 @@ msgstr "Zdroj poslední zprávy\\Zobrazí objekt, který poslal poslední zpráv
 msgid "Original game developed by:"
 msgstr "Vývojáři původní hry:"
 
+msgid "Overwrite existing file?"
+msgstr ""
+
 msgid "Parameters missing"
 msgstr "Některé parametry nejsou vyplněné"
 
@@ -1387,6 +1396,9 @@ msgstr "Uložit\\Uložit současnou misi"
 msgid "Save\\Saves the current mission"
 msgstr "Uložit\\Uloží současnou misi"
 
+msgid "Select Folder"
+msgstr ""
+
 msgid "Select the astronaut\\Selects the astronaut"
 msgstr "Vybrat kosmonauta\\Vybere kosmonauta"
 

po/de.po

@@ -932,6 +932,9 @@ msgstr "Gewähltes Programm nach unten"
 msgid "Move selected program up"
 msgstr "Gewähltes Programm nach oben"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Mute\\No sound"
 msgstr "Kein Ton\\Keine Geräusche und Geräuschkulisse"
 

po/fr.po

@@ -934,6 +934,9 @@ msgstr "Déplace le programme sélectionné vers le bas"
 msgid "Move selected program up"
 msgstr "Déplace le programme sélectionné vers le haut"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Mute\\No sound"
 msgstr "Silencieux\\Totalement silencieux"
 

po/pl.po

@@ -915,6 +915,9 @@ msgstr "Przenieś zaznaczony program w dół"
 msgid "Move selected program up"
 msgstr "Przenieś zaznaczony program w górę"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr "Cisza, gdy okno jest w tle\\Wycisza wszystkie dźwięki, gdy okno gry stanie się nieaktywne"
+
 msgid "Mute\\No sound"
 msgstr "Cisza\\Brak dźwięków"
 

po/pt.po

@@ -929,6 +929,9 @@ msgstr "Move o programa selecionado para baixo"
 msgid "Move selected program up"
 msgstr "Move o programa selecionado para cima"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Mute\\No sound"
 msgstr "Mudo\\Sem som"
 
@@ -947,6 +950,9 @@ msgstr "Novo"
 msgid "New ..."
 msgstr "Novo ..."
 
+msgid "New Folder"
+msgstr ""
+
 msgid "New bot available"
 msgstr "Novo robô disponível"
 
@@ -1103,6 +1109,9 @@ msgstr "Origem da última mensagem\\Mostra de onde a última mensagem foi enviad
 msgid "Original game developed by:"
 msgstr "Jogo original desenvolvido por:"
 
+msgid "Overwrite existing file?"
+msgstr ""
+
 msgid "Parameters missing"
 msgstr "Parâmetros ausentes"
 
@@ -1401,6 +1410,9 @@ msgstr "Salvar\\Salve a missão atual"
 msgid "Save\\Saves the current mission"
 msgstr "Salvar\\Salva a missão atual"
 
+msgid "Select Folder"
+msgstr ""
+
 msgid "Select the astronaut\\Selects the astronaut"
 msgstr "Selecione o astronauta\\Seleciona o astronauta"
 

po/ru.po

@@ -940,6 +940,9 @@ msgstr "Изменить выбранную программу"
 msgid "Move selected program up"
 msgstr "Изменить выбранную программу"
 
+msgid "Mute sounds in background\\Mute all game sounds when the window is unfocused"
+msgstr ""
+
 msgid "Mute\\No sound"
 msgstr "Без звука\\Без звука"